JP7103870B2 - Control system for air purification equipment - Google Patents

Description

The present invention relates to a control system for air purification equipment.

Conventionally, the degree of odor and dust (air pollution information) in the room where the air purifier is installed can be known from the outside through the communication terminal owned by the user, and the air purifier is communicated based on the air pollution information. A technique for remote control by a terminal has been proposed (Patent Document 1). In this technology, for example, when the air on the go is contaminated, the user himself / herself determines the degree of air pollution on the go and remotely controls the air purifier according to the degree of the air pollution. You can also.

Japanese Unexamined Patent Publication No. 2016-90194

However, after the air purifier is remotely controlled according to the degree of air pollution on the go, it is assumed that the surrounding environment of the user changes, and the degree of air pollution received by the user also changes accordingly. In such a case, in the conventional technique, in order to make the operating level of the air purifier appropriate, the user himself / herself grasps the change in air pollution, and when there is a change, the air purifier is set. It had to be changed by remote control. Once the air purifier is set by remote control, the setting can be maintained as it is, but the comfort after returning home is reduced.

The present invention has been made in view of the above circumstances, and air that can enhance the comfort of the user by automatically and appropriately controlling the air purification equipment according to the degree of air pollution of the user's outing. The purpose is to provide a control system for cleaning equipment.

In order to achieve the above object, the first invention
An equipment control unit that controls the air purification equipment that purifies the air inside the building,
The first acquisition unit that acquires air pollution information when the user is away from home,
The second acquisition unit that acquires the return period information required to return to the building from the outside
The air purification level of the air purification equipment controlled by the equipment control unit based on the air pollution information of the outing destination acquired by the first acquisition unit and the return period information acquired by the second acquisition unit. The operation mode determination unit that determines
It is characterized by having.

According to the first invention, the air pollution information on the go is acquired. By using this air pollution information on the go, the operation mode of the air purification equipment is controlled according to the degree of air pollution on the go. At this time, the return period information required to return to the building from the outside is also acquired. The effect of air pollution (degree of adhesion of pollutants, etc.) received on the go varies depending on whether the return period is short or long. Therefore, in the first invention, the operation mode of the air purifying equipment is determined by considering the return time from the outside. As a result, the air purifying equipment can be controlled automatically and appropriately, and the comfort of the user can be enhanced.

The second invention is characterized in that, in the first invention, the operation mode determining unit raises the air purification level when it is determined from the air pollution information that there is air pollution on the go.

When there is air pollution on the go, the pollutants adhere to the user, clothes, belongings, etc. and pollute the user's surroundings. In such a case, when the user returns to the building from outside, the inside of the building is contaminated by the attached contaminants. Therefore, in the second invention, the air purification level is raised in the air purification equipment in consideration of such pollution. As a result, the air purifying equipment can be automatically and appropriately controlled, and the comfort of the user can be enhanced.

According to the third invention, in the first or second invention, when the operation mode determining unit determines from the return period information that the return period from the outside is a certain period or more, the air pollution information is used. Regardless, it is characterized by lowering the air purification level.

If the return period required to return to the building from outside is longer than a certain period, it is not necessary to immediately operate based on air pollution information because it takes time to return home. In other words, if the return period is less than a certain period, the air purification level may be raised. Therefore, if the return period is longer than a certain period, the air purification level is lowered. Therefore, the air purifying equipment can be automatically and appropriately controlled according to the return period of the user from outside, and the comfort of the user is maintained.

The fourth invention is the first to third inventions.
The air purifying equipment
The entire building air-conditioning system that constantly air-conditions the entire building,
A spray unit that is incorporated into the air-conditioning equipment of the entire building and sprays sterilizing gas,
With
The air purification level determined by the operation mode determining unit is characterized in that the amount of the sterilized gas released by the spray unit is adjusted, or the presence or absence of the sterilized gas is released.

According to the fourth invention, the air purification level is determined by the amount of sterilized gas released or the presence or absence of the release. That is, the amount of sterilized gas released is adjusted or the release of sterilized gas is stopped (or started) based on the air pollution information of the place of going out and the return period from the place of going out. As a result, while improving the comfort of the user, when the sterilizing gas is not required (for example, when the user returns from the outside for a certain period of time or more), the amount of the sterilizing gas released is automatically increased. It is limited and can save sterilizing gas.

The schematic diagram which shows the structure of the control system of the sterilization gas supply equipment. The figure which shows the concept of the stay information storage area. The flowchart which shows the control process of the sterilization gas supply equipment. The flowchart which shows the adjustment process of a sterilized gas. A flowchart showing an adjustment process when absent.

Hereinafter, embodiments embodying the present invention will be described with reference to the drawings. In the present embodiment, the resident X, the resident Y, and the resident Z live in the building 10. In the following description, when it means all the residents X to Z, it is simply referred to as all the residents.

As shown in FIG. 1, the building 10 is provided with a machine room 11, a living room 12, and the like as indoor spaces. An air conditioner 21 is provided in the machine room 11. The machine room 11 is always ventilated. The building 10 is provided with a machine room 11, a living room 12 (hereinafter, collectively referred to as each room 11 and 12), a plurality of living rooms, a corridor, a toilet, a bathroom, and the like, but the illustration is omitted.

In the building 10, an air-conditioning system for the entire building having an air-conditioning device 21 is introduced. In this whole building air-conditioning system, air-conditioning air is supplied from a common air-conditioning device 21 to the living room 12 and other space parts provided in the building 10, and the air-conditioning of each space part is performed. Further, in the present embodiment, the sterilizing gas is supplied to each space by using the air conditioning system in the entire building. Hereinafter, the configuration of the control system of the sterilizing gas supply facility for supplying the sterilizing gas will be described with reference to FIG.

As shown in FIG. 1, an underfloor space 14 is provided below each room 11 and 12, and is separated from each room 11 and 12 by a floor portion 15.

The air conditioner 21 is configured as an indoor unit having at least a cooling and heating function. The air conditioner 21 takes in the air from the machine room 11 as the return air RA and adjusts the temperature to generate the air conditioning air to be supplied to the living room 12 and the like. A ventilation duct 24 is connected to the air conditioner 21, and the ventilation duct 24 branches in the middle. One of the branched ventilation ducts 24 extends toward the living room 12 in the underfloor space 14 and is connected to the air supply grill 25 provided on the floor portion 15 of the living room 12.

In this case, when the conditioned air is supplied from the air conditioner 21 to the air supply grill 25 through the ventilation duct 24, the conditioned air is blown out from the air supply grill 25 to the living room 12 as the air supply SA. As a result, warm air is supplied to the living room 12 as air conditioning air during the heating operation of the air conditioner 21, and the living room 12 is warmed by the warm air. On the other hand, during the cooling operation of the air conditioner 21, cold air is supplied to the living room 12, and the living room 12 is cooled by the cold air.

A sterilizing gas supply device 22 is connected to the air conditioner 21 by a pipe 22a. The sterilization gas supply device 22 is a device capable of generating sterilization gas, and can generate chlorine dioxide as sterilization gas, for example.

The air conditioning device 21 contains the sterilizing gas in the generated conditioned air (FIG. 1, the sterilizing gas is injected from the sterilizing gas supply device 22 through the pipe 22a in the direction of the arrow), and the conditioned air is blown through the ventilation duct 24. Supply to. A sterilization gas sensor 23 (hereinafter referred to as a sensor 23) is attached in front of the branch of the ventilation duct 24. The sensor 23 detects the concentration of the sterilizing gas in the conditioned air.

Next, the electrical configuration of this system will be described with reference to FIG.

The building 10 is provided with a controller 30 that controls the air conditioning system in the entire building. The controller 30 is attached to the wall of the living room 12, for example. The controller 30 includes a well-known microcomputer including a CPU, a ROM, a RAM, and the like. When the controller 30 measures time, it has a control unit 31 that controls the air conditioner 21 and the disinfectant gas supply device 22, a storage unit 32 that stores information about the air conditioner 21, detection results from various sensors, and the like. It has a timer 33 used for the above.

The control unit 31 controls the temperature of each space so that the temperature becomes a preset temperature set by the residents X to Z, and sets the concentration of the sterilizing gas contained in the generated conditioned air at home of the residents X to Z. Control according to the situation. The storage unit 32 stores in advance the resident information of the building 10 (ID that identifies the communication terminals 41 to 43 described later), the set temperature of the air conditioner 21, the set concentration of the disinfectant gas, and the like. The times when going out and returning home of X to Z are detected are recorded at any time. Further, the storage unit 32 is provided with a detection history storage area 32a and a stay information storage area 32b.

A sensor 23 is connected to the controller 30. The concentration of the disinfectant gas in the conditioned air detected by the sensor 23 is output to the controller 30, and the controller 30 controls the supply amount of the disinfectant gas from the disinfectant gas supply device 22 based on the concentration.

In the present embodiment, the set concentration of the sterilizing gas in the conditioned air is about 0.01 ppm (hereinafter, normal level) when there is a person at home. In addition to the normal level, the set concentration of the sterilizing gas is a "weak level" of less than 0.01 ppm (for example, about 0.001 ppm) and 0.02 ppm or more (for example, about 0.03 ppm). The "strong level" is stored in the storage unit 32.

A communication unit 34 is connected to the controller 30, and the controller 30 can be connected to the network N by the communication unit 34. Portable communication terminals 41 to 43 such as smartphones can be connected to the network N. Residents X to Z carry the communication terminals 41 to 43 and go out.

The communication terminals 41 to 43 have a GPS function, and generate position information of themselves (communication terminals 41 to 43) by receiving radio waves transmitted from GPS satellites. The communication terminals 41 to 43 can associate their own position information with the time information and store it as a history of the position information. Map information is stored in the communication terminals 41 to 43, and the place of stay of the residents X to Z is determined by collating the map information with the position information.

When the resident X to Z goes out, the communication terminals 41 to 43 detect the resident X to Z based on their own position information, and notify the controller 30 of the resident X to Z going out via the network N. Then, when the residents X to Z return to the building 10, the communication terminals 41 to 43 detect it based on their own position information and notify the controller 30 of the return of the residents X to Z.

The communication terminals 41 to 43 receive an instruction from the controller 30 and transmit a history of position information to the controller 30. On the controller 30 side, the history of the received position information of the communication terminals 41 to 43 (history based on the GPS coordinates and the map information) is recorded in the detection history storage area 32a. Then, the control unit 31 analyzes the identification of the outing destination (staying place) of the residents X to Z, the staying time at the specified outing destination, and the like based on the information recorded in the detection history storage area 32a. The analysis result is recorded in the stay information storage area 32b. Then, the controller 30 determines the means of transportation of the residents X to Z from the history of the position information of the communication terminals 41 to 43, and calculates the required time from the current location to the building 10 based on the determination. The required time corresponds to the estimated time to return home.

In the present embodiment, the control unit 31 determines the "staying place" in the history of the position information based on the map information in relation to the acquisition of the air quality information described later. In the present embodiment, when a facility such as a building, a school, a store, or a park is continuously detected for 10 minutes or more in the same facility (site), the place is determined to be a "stay place".

FIG. 2 shows the concept of the stay history recorded in the stay information storage area 32b. In the stay information storage area 32b, the place of stay determined to be "stay" and the time of stay at that place are recorded. The controller 30 accesses the weather information providing server 35 (see FIG. 1) operated by the weather information provider (for example, the Meteorological Agency) via the network N, and pollen scattering information of the place recorded as the place of stay, PM2. 5 Acquire air quality information such as scattering information based on time information. In this embodiment, regarding pollen and PM2.5 scattering information acquired from the weather information providing server 35, there are three stages (level 1: low 2: high 3: high) according to the observed pollen and PM2.5 values. Very many).

In this embodiment, pollution prediction based on geographical factors obtained from map information is also included as air quality information. For example, when the place of stay of the residents X to Z is a place where an odor is generated (a barbecue restaurant, a pub, etc.), it is an environment where the odor is easily attached, and it can be judged that the environment has poor air quality. In addition, if the place of stay is a place where sand or pollen is generated (athletic field, park, forest, etc.) or its vicinity, it can be judged that the environment is susceptible to pollution by scattered substances such as sand and pollen. Pollution predictions based on these geographical factors are also reflected in air quality information.

The place where the odor is generated is judged to be "polluted" when staying at that place based on the classification of the store in the map information. Based on the map information, the place where sand, pollen, etc. are generated is determined to be "contaminated" when the pollen scattering information acquired from the weather information providing server 35 is 2 or more within a radius of 300 m from the place where the sand or pollen is generated.

These acquired air quality information are recorded in association with each stay location (recorded in the stay information storage area 32b in the present embodiment). Then, based on these air quality information, the degree of air pollution is calculated in three stages as a comprehensive evaluation. The degree of air pollution can be classified into three levels, for example, as follows; level 1 in pollen and PM2.5 scattering information, and level A in the case of "no pollution" in terms of geographical factors; pollen and PM2.5 scattering information. Level 2 in the case of "no pollution" in the geographical factor, level B in the case of "no pollution"; level 3 in the pollen and PM2.5 scattering information, and "no pollution" in the geographical factor, or "polluted" in the geographical factor In the case of "(levels 1 to 3 in pollutant scattering information or PM2.5 scattering information), level C.

Next, the control process of the sterilizing gas executed by the controller 30 will be described with reference to the flowchart of FIG. In the building 10, the entire building is constantly air-conditioned by the air conditioner 21. The flowchart of FIG. 3 is based on the premise that the entire building is air-conditioned and the concentration of the sterilizing gas is set to "normal level" when even one of the residents X to Z is at home.

In FIG. 3, in step S11, it is determined whether or not an outing is detected. When it is detected that the person has gone out, a YES determination is made and the process proceeds to step S12. If no outing is detected, NO is determined and this process is terminated.

In step S12, the timer 33 starts timing. After the start of timekeeping, the process proceeds to step S13. In step S13, it is determined whether or not the predetermined time T2 has elapsed from the start of time counting by the timer 33. Here, the predetermined time T2 may be any time as long as it can be determined whether or not the residents X to Z are out in the neighborhood, for example, about 1 to 2 hours. In this embodiment, it is 1.5 hours. When the predetermined time T2 has elapsed, a YES determination is made and the process proceeds to step S14. If the predetermined time T2 has not elapsed, a NO determination is made, the process returns to step S13, and the process is repeated until the predetermined time T2 elapses.

In the following step S14, the history of the position information is acquired by the communication terminals 41 to 43, and the acquired data is analyzed. Here, the history of the position information from the detection of going out to the current time (that is, during the predetermined time T2) is acquired. The acquired location information history is recorded in the detection history storage area 32a, analyzed, and the stay location determined to be "stay" is recorded in the stay information storage area 32b together with the stay time. Then, the pollen of the staying place and the scattering information of PM2.5 are acquired via the network N, and the presence or absence of air pollution based on the geographical factor at the staying place is also determined based on the map information.

Here, as shown in the stay information storage area 32b of FIG. 2, going out by the resident X is detected at 7:30. Then, after the lapse of the predetermined time T2 (that is, 9:00 here), the history of the position information of all the residents for the predetermined period T2 minutes (7:30 to 9:00) is acquired. At 9:00, Resident X arrives at the office, Resident Y is at home (staying home for 90 minutes), and Resident Z is on the move (going out at 7:56). Therefore, as of 9:00, the residents X and Z are out of the office, and the resident Y is a resident at home. When it is determined that the residents X to Z are staying at an arbitrary place, the air quality information of the place of stay is also acquired and the degree of air pollution is calculated.

The control process of the sterilizing gas is started when one of the residents X to Z goes out, but for example, one or two of the other residents X to Z go out after that. In this case, the outing is determined based on the history of position information such as step S14 and steps S28 and S47 described later.

Next, the process proceeds to step S15, and it is determined whether or not all the residents are at home based on the location information. If all the residents are at home, a YES judgment is made and this process is terminated. If all the residents are not at home, a NO determination is made and the process proceeds to step S16.

Here, when it is determined in step S15 that all the residents are at home, it means that the outing person has returned before the predetermined time T2 has elapsed, and it can be inferred that the person has gone out to the neighborhood. In the case of going out to such a neighborhood, the effect of saving the sterilized gas cannot be expected to be large, so the sterilized gas adjustment process (adjustment of the supply amount) is not carried out.

If there is an outing person, the process proceeds to step S16, and the estimated time for the outing person to return home is calculated. As shown in FIG. 2, for the residents X and Z who are out, the estimated time to return home from the current position at 9:00 is calculated. In the following step S17, the sterilizing gas is adjusted.

In the sterilization gas adjustment process, as shown in FIG. 4, first, in step S21, it is determined whether or not all the residents are out. If all the residents are out, a YES determination is made and the process proceeds to step S33. If all the residents are not out, that is, if at least one of the residents X to Z is at home, a NO determination is made and the process proceeds to step S22.

In step S33, the adjustment process when absent is performed. The absent adjustment process is a process that is executed when all the residents are absent. In the absent adjustment process, as shown in FIG. 5, first, in step S41, the timer 33 starts timing. After the start of timekeeping, the process proceeds to step S42. In step S42, it is determined whether or not there is a person whose estimated time to return home is less than the predetermined time T1. Here, the predetermined time T1 may be any time as long as the concentration of the sterilizing gas in the space such as the living room 12 becomes equal to or higher than the normal level when the concentration of the sterilizing gas is changed to a strong level. Therefore, the predetermined time T1 is, for example, 0.5 to 2 hours, and in the present embodiment, it is 1 hour. Further, the estimated time to return home is calculated not only in step S16 but also in steps S35 and S49 described later. Here, the latest estimated time to return home is used. If there is a person whose estimated time to return home is less than T1, a YES determination is made and the process proceeds to step S43. If there is no person whose estimated time to return home is less than T1, a NO determination is made and the process proceeds to step S46.

In step S46, the concentration of the sterilizing gas is set to a weak level. Here, it is assumed that not all the residents are at home in the building 10, and for example, even if one of the residents X to Z tries to return home, it takes a predetermined time T1 or more. In this case, there is no inconvenience even if the concentration of the sterilizing gas is reduced, which leads to the saving of the sterilizing gas. After making the level weak, the process proceeds to step S47.

In step S47, it is determined whether or not the waiting time has elapsed from the start of time counting by the timer 33. Here, the predetermined time T1 may be any time as long as the concentration of the sterilizing gas in the space such as the living room 12 becomes equal to or higher than the normal level when the concentration of the sterilizing gas is changed to a strong level. Therefore, the predetermined time T1 is, for example, 0.5 to 2 hours, and in the present embodiment, it is 1 hour. When the waiting time has elapsed, a YES determination is made and the process proceeds to step S48. If the waiting time has not elapsed, a NO determination is made, the process returns to step S47, and the process is repeated until the waiting time elapses.

If there is a person whose estimated return time is less than T1, the process proceeds to step S43, and the concentration of the sterilizing gas in the conditioned air is not changed and is maintained at the normal level. Here, since it is assumed that there are residents XX (first returnees) who will return home soon based on the estimated time to return home, the concentration of the sterilizing gas is set to a normal level. In the following step S44, it is determined whether or not the return home is detected. When the location information by the communication terminals 41 to 43 is the building 10, the controller 30 is notified of the return of the residents X to Z, so it is determined whether or not the notification has been given. When there is a notification of returning home, that is, when returning home is detected, a YES determination is made and the adjustment process at the time of absence is terminated. If there is no notification of returning home, that is, if returning home is not detected, a NO determination is made and the process proceeds to step S45.

In step S45, it is determined whether or not the estimated time to return home has passed since the timer 33 started timing. Here, the shortest estimated time to return home from the latest estimated time to return home for residents X to Z (calculated in step S16 or steps S35 and S49 described later) may be used as a reference. When the estimated time to return home has elapsed, the process proceeds to step S48. If the estimated time to return home has not elapsed, a NO determination is made, the process returns to step S44, and the process is repeated until the estimated time to return home has elapsed.

In step S48, the history of position information is acquired by the communication terminals 41 to 43, and the acquired data is analyzed. Here, if the process proceeds from step S44 to step S48, the history is the shortest estimated time to return home, and if the process proceeds from step S47 to step S48, the history is the predetermined time T1 minute. The acquired location information history is recorded in the detection history storage area 32a, analyzed, and the stay location determined to be "stay" is recorded in the stay information storage area 32b together with the stay time. Then, the pollen of the staying place and the scattering information of PM2.5 are acquired via the network N, and the presence or absence of air pollution based on the geographical factor at the staying place is also determined based on the map information.

In step S49, the estimated time to return home of the outing person (in this case, all the residents) is calculated from the location information. After calculating the estimated time to return home, the process returns to step S41, and each process is repeated.

That is, in the adjustment process when absent, the process is repeated until the first returnee (at least one returnee of the residents X to Z) is detected in step S44. After the adjustment process at the time of absence is completed, the process returns to the description of FIG. 4 and proceeds to step S21.

If not all of them have gone out in step S21, that is, if at least one of the residents X to Z is at home, a NO determination is made and the process proceeds to step S22. In step S22, the timer 33 starts timing. After the start of timekeeping, the process proceeds to step S23.

In step S23, it is determined whether or not there is a person whose estimated time to return home is less than the predetermined time T1. Here, the predetermined time T1 is one hour as described above. If there is a person whose estimated time to return home calculated in step S16 is less than T1, a YES determination is made and the process proceeds to step S24. If there is no person whose estimated time to return home is less than T1, a NO determination is made and the process proceeds to step S31.

Here, the stored contents of the stay information storage area 32b of FIG. 2 will be described as an example. In the stored contents, at 9:00, the estimated time to return home is calculated as resident X: 90 minutes and resident Z: 65 minutes. In this case, since there is no person whose estimated time to return home is less than one hour, the process proceeds to step S31.

In step S31, it is determined whether or not the standby time (predetermined time T1 in the present embodiment) has elapsed since the timer 33 started timing. When the waiting time has elapsed, a YES determination is made and the process proceeds to step S28. If the waiting time has not elapsed, a NO determination is made, the process returns to step S31, and the process is repeated until the waiting time elapses.

In step 24, the place of stay immediately before the resident X to Z who is out is specified. Here, as the immediately preceding place of stay, the latest place recorded as the place of stay is selected from the contents recorded in the stay information storage area 32b. In the following step S25, it is determined whether or not the air quality of the immediately preceding place of stay is good for the residents X to Z whose estimated time to return home is less than the predetermined time T1. Whether or not the air quality is good refers to the degree of air pollution, which is the recorded content of the stay information storage area 32b. If the degree of air pollution is levels B and C, it is judged that the air quality is poor. If it is determined that the air quality is good, a YES determination is made and the process proceeds to step S26. If it is determined that the air quality is poor, a NO determination is made and the process proceeds to step S34. If there are a plurality of residents X to Z whose estimated time to return home is less than the predetermined time T1, it is assumed that they will return home earliest (that is, the shortest estimated time to return home) of the place of stay immediately before the residents X to Z. Refer to the degree of air pollution.

In step S34, the concentration of the sterilizing gas in the conditioned air is changed to a strong level. Here, the concentration of sterilizing gas is increased based on the poor air quality of the place where the outsider stayed. As a result, a high-concentration sterilizing gas is supplied to the space such as the living room 12 of the building 10 and quickly acts on pollen, PM2.5, odor and other contaminated components adhering to the person who has returned home. can. Such pollutant components adhering to the outsider also affect other residents X to Z who have been at home by being brought into the building 10. Therefore, by supplying a high-concentration sterilizing gas to the space inside the building 10, the function of the pollutant component can be quickly reduced and its influence can be suppressed. After changing the concentration of the sterilizing gas in the conditioned air to a strong level, the process proceeds to step S26.

Here, in steps S25 and S34, when the air quality at the place of stay immediately before the person going out is poor, the concentration of the sterilizing gas in the conditioned air is increased. On the other hand, in the adjustment process when there are no residents X to Z in the building 10 (FIG. 5, step S43), the air quality information such as the place of stay immediately before the outsider returns home is provided. Not considered, the concentration of disinfectant gas remains at normal levels. This is determined by whether or not there is a person at home when the person who goes out returns home, and whether or not the contaminated component attached to the person who goes out affects other residents X to Z is taken into consideration. That is, when there are no residents X to Z at home, even if any of the residents X to Z returns home, the other residents X to Z are not affected. After that, the degree of contamination (function) of the self-adhered component may be gradually reduced by the sterilizing gas existing in the space such as the living room 12.

In step S26, it is determined whether or not the return home is detected. If the return home is not detected, a NO determination is made and the process proceeds to step S32. When the return home is detected, a YES determination is made and the process proceeds to step S27.

In step S32, it is determined whether or not the estimated time to return home has passed since the timer 33 started timing. Here, the shortest estimated time to return home may be used as a reference among the latest estimated time to return home for residents X to Z (calculated in steps S16 and S49 or step S35 described later). When the estimated time to return home has elapsed, the process proceeds to step S28. If the estimated time to return home has not elapsed, a NO determination is made, the process returns to step S26, and each process is repeated.

In step S27, the concentration of the sterilizing gas in the conditioned air is set to a normal level. Here, when the process proceeds from step S25 to step S27 via steps S34 and S26, the concentration of the sterilizing gas is set to a strong level. Therefore, in this case, the setting of the concentration of the sterilizing gas is changed. When the process proceeds from step S25 to steps S26 and S27, the concentration of the sterilizing gas in the conditioned air is not changed and is maintained at the normal level.

In step S28, the history of position information is acquired by the communication terminals 41 to 43, and the acquired data is analyzed. Here, the history of the location information from the last acquisition of the history of the location information to the present time is acquired. The acquired location information history is recorded in the detection history storage area 32a, analyzed, and the stay location determined to be "stay" is recorded in the stay information storage area 32b together with the stay time. Then, the pollen of the staying place and the scattering information of PM2.5 are acquired via the network N, and the presence or absence of air pollution based on the geographical factor at the staying place is also determined based on the map information.

In the following step S29, it is determined whether or not all the residents are currently at home based on the position information acquired by the communication terminals 41 to 43. If all of them are at home, a YES judgment is made and this process is terminated. If not all of them are at home, that is, if there are people who are out, a NO determination is made and the process proceeds to step S35.

In step S35, the estimated time to return home of the outing person is calculated. After that, the process returns to step S21, and each process is repeated. That is, the sterilization gas adjustment process is repeated until all the residents return to the building 10 (a YES determination is made in step S29). After the sterilization gas adjustment treatment is completed, the process returns to the description of FIG. 3 and the main treatment is completed.

According to the configuration of the present embodiment described in detail above, the following excellent effects can be obtained.

According to the present embodiment, by identifying each of the resident X to Z's outing destinations and using the specified outing destination air quality information, the information is supplied through the entire building air conditioning system according to the degree of air pollution at the outing destination. The amount of disinfectant gas is controlled. At this time, the estimated time to return home from wherever you go to return to the building 10 is also calculated. The effect of air pollution (degree of adhesion of pollutants, etc.) received on the go varies depending on whether the estimated time to return home is short or long. Also, if the estimated time to return home is long, it will take time to return home, so for example, it is possible to continue staying there and not return home for a long time, and then move to a place with a different air quality. , It is possible that the degree of pollutants adhering to the outsider will change. That is, the probability that the situation will change differs depending on whether the estimated time to return home is short or long. Therefore, in the present embodiment, the operation mode of the sterilized gas is determined depending on whether the estimated time to return home is short or long. As a result, the supply amount (concentration) of the sterilizing gas is automatically and appropriately controlled, and the sterilizing gas can be saved while improving the comfort of the residents X to Z.

When there is air pollution on the go, the pollutants adhere to the go-out person, clothes, belongings, etc. and pollute the area around the go-out person. In such a case, when the outsider returns to the building 10, the inside of the building 10 is contaminated by the adhering contaminants. Such pollutant components adhering to the outsider also affect other residents X to Z who have been at home by being brought into the building 10. Therefore, in the present embodiment, in a situation where there is a resident in the building 10, when it is determined that the estimated time for the resident to return home is less than T1 for a predetermined time and the air quality of the resident is contaminated. Raises the concentration of disinfectant gas in conditioned air to a strong level. By supplying a high-concentration sterilizing gas into the building 10, the sterilizing gas can quickly act on pollen, PM2.5, odor, and other contaminated components adhering to the person who has returned home. That is, by supplying a high-concentration sterilizing gas into the building 10 in advance, the function of the pollutant component can be rapidly reduced and its influence can be suppressed. As a result, it is possible to enhance the comfort of not only the outing persons (residents X to Z) who have returned home but also other residents X to Z who have been at home in the building 10.

On the other hand, when the estimated time to return home of the outing person is T1 or more for the predetermined time, even if the concentration of the sterilizing gas is changed to a strong level according to the air quality condition of the outing place of the outing place, the situation is changed. It is likely to change. In the present embodiment, in a situation where there is a resident in the building 10, if the estimated time to return home of the outing person is T1 or more for a predetermined time, it is determined that the air quality of the outing place is contaminated. Even if there is, the concentration of the disinfectant gas in the air-conditioned air remains at the normal level. In such a situation, when the estimated time to return home is less than T1 for a predetermined time, the concentration of the disinfectant gas in the conditioned air is changed according to the degree of air pollution at the destination. As a result, when the outsider returns to the building 10, the concentration of the sterilizing gas in the building 10 is adjusted according to the degree of air pollution at the destination, so that the comfort is not impaired. That is, according to the present embodiment, when the estimated time to return home of the outing person is T1 or more for a predetermined time, the concentration of the sterilizing gas is not changed, so that the comfort of the residents X to Z is improved and the sterilizing gas is used. The time to unnecessarily increase the concentration to a strong level can be shortened, and the disinfectant gas can be saved.

When all the residents go out and the estimated time for all the residents to return home is T1 or more, it is assumed that it takes time for at least one of the residents X to Z to return home as the first returnee. In such a case, it is considered unnecessary to continue sterilizing the inside of the building 10 at a normal level. In other words, it is sufficient that the concentration of the sterilizing gas in the building 10 is about the normal level when the first returnee returns home. Therefore, according to the present embodiment, when the estimated time for returning home of all the residents is T1 or more for a predetermined time, the concentration of the sterilizing gas is lowered to a weak level. Then, when the estimated time for returning home of at least one of the residents X to Z is less than T1 for a predetermined time, the concentration of the sterilizing gas is raised to a normal level. As a result, the supply amount (concentration) of the sterilizing gas is automatically and appropriately controlled, and the sterilizing gas can be saved while improving the comfort of the residents X to Z. Further, by saving the sterilizing gas, it is possible to reduce the work such as replacement of the sterilizing gas cartridge, so that the comfort of the residents X to Z can be further improved.

In a situation where all the residents go out and there are no residents in the building 10, for example, even if the resident X brings back the pollutants when returning home, the residents Y and Z are not affected because they are absent. .. Therefore, even if the pollutant is not immediately sterilized, it may be sterilized by the time the residents Y and Z return home. Therefore, according to the present embodiment, when at least one of the residents X to Z returns to the building 10 as the first returnee in the situation where there is no resident in the building 10, the air quality information is not considered and the air-conditioned air is not considered. The concentration of disinfectant gas in the gas is considered to be "normal level". As a result, the sterilizing gas can be saved while improving the comfort of the residents X to Z when returning to the building 10.

According to the present embodiment, when the estimated time to return home is less than the predetermined time T1, if the estimated time to return home is not detected even after the estimated time to return home has elapsed, the history of the location information is acquired again. When the estimated time to return home is T1 or more, the history of the position information is acquired again when the time (waiting time) obtained by subtracting T1 from the estimated time to return home elapses. Therefore, even if the residents X to Z stop by from one place to another place, the place to stop can be specified, and the air-conditioned air is removed based on the degree of air pollution at the latest place of stay (the place of stop). The concentration of bacterial gas can be determined. As a result, the comfort of the residents X to Z can be further enhanced.

The present invention is not limited to the above embodiment, and may be implemented as follows, for example.

(1) In the above embodiment, position information is acquired by communication terminals 41 to 43 such as smartphones, but the present invention is not limited to this, and for example, a car navigation system provided in a vehicle owned by residents X to Z. The device may be used. When acquiring location information by vehicle, one of the residents X to Z is assigned to each vehicle. As a result, the position information of the assigned residents X to Z can be obtained from the position information of the vehicle. The vehicle position information can be transmitted to the controller 30 via the communication unit mounted on the car navigation device.

(2) In the above embodiment, there is one outing destination, but there may be a plurality of outing destinations. In this case, the concentration of the disinfectant gas may be set to a strong level if there is a place where the air pollution degree is high according to the air quality information among the plurality of outings, or the air of the last outing out of the plurality of outings. The concentration of the disinfectant gas may be determined based on the contamination.

(3) In the above embodiment, after the outing is detected, the sterilization gas adjustment process is waited until T2 elapses for a predetermined time. For example, the sterilization gas adjustment process is performed immediately after the outing is detected. You may start. For example, as soon as the outing is detected, the home status of all the residents is grasped based on the location information. Then, when all the residents are out, that is, when it is considered that all the residents are out at the same time, the concentration of the sterilizing gas is concentrated even if all the residents are absent and the estimated time to return home is less than T1 for a predetermined time. May be changed to "weak level".

(4) In the above embodiment, when the estimated time to return home of the outing person is the predetermined time T1 or more, the history of the position information is acquired again after the predetermined time T1 elapses as the waiting time, but the waiting time is the predetermined time T1. It does not have to be. For example, the waiting time may be the time obtained by subtracting the predetermined time T1 from the estimated time to return home, or may be half the time of the predetermined time T1.

(5) In the above embodiment, when all the residents are absent and the estimated time for returning home of all the residents is T1 or more for a predetermined time, the concentration of the sterilizing gas is set to a weak level (FIG. 5, step S46). Control of bacterial gas concentration is not limited to this. For example, when all the residents are absent and the estimated time for all the residents to return home is T1 or more for a predetermined time, the supply of the sterilizing gas may be stopped. When all the residents are absent and there are residents X to Z whose estimated time to return home is less than the predetermined time T1, the concentration of the sterilizing gas is set to a weak level until the shortest estimated time to return home elapses, and then to the normal level. You may put it back.

(6) In the above embodiment, when the concentration of the sterilizing gas is set to a strong level (FIG. 4, step S34), when the return of the residents X to Z is detected (step S26), the concentration of the sterilizing gas is usually set. Returning to the level (step S27), but the control of the concentration of the disinfectant gas is not limited to this. For example, once the concentration of the sterilizing gas is set to a strong level, it may be returned to the normal level after maintaining the supply amount for a predetermined time (for example, about 0.5 to 1.5 hours).

(7) In the above embodiment, the sensor 23 is provided in the ventilation duct 24, but it may be installed in, for example, a space portion (for example, a living room 12) to which conditioned air is supplied. As a result, the concentration of the sterilizing gas in the space to which the conditioned air is supplied is detected, so that the concentration of the sterilizing gas in the space can be controlled more quickly.

(8) In the above embodiment, the disinfectant gas supply device 22 introduced into the entire building air-conditioning system is used as the air purification equipment, but the air purification equipment is not limited to the entire building air-conditioning system or the disinfectant gas supply device 22. The air purifying equipment may be, for example, an air conditioner with an air purifying function provided in each space instead of the entire building air conditioning system, an air purifier alone, an air purifier with a humidifying function, or the like. You may. Further, the method of air cleaning is not limited to the disinfecting gas, and for example, an device that purifies the air using a filter, activated carbon, a photocatalyst, plasma, ions, or the like may be used instead of the disinfecting gas supply device 22. ..

10 ... Building, 21 ... Air conditioner, 22 ... Disinfectant gas supply device, 23 ... Disinfectant gas sensor, 24 ... Ventilation duct, 30 ... Controller, 31 ... Control unit, 32 ... Storage unit, 33 ... Timer, 34 ... Communication unit , 35 ... Meteorological information providing server, 41, 42, 43 ... Communication terminal, N ... Network.

Claims (3)

An equipment control unit that controls the air purification equipment that purifies the air inside the building,
The first acquisition unit that acquires air pollution information when the user is away from home,
The second acquisition unit that acquires the return period information required to return to the building from the outside
The air purification level of the air purification equipment controlled by the equipment control unit based on the air pollution information of the outing destination acquired by the first acquisition unit and the return period information acquired by the second acquisition unit. The operation mode determination unit that determines
Is equipped with
Further, a determination means for determining whether or not there is a resident living at home in the building is provided.
The operation mode determining unit raises the air purification level when it is determined that there is a resident living at home in the building and when it is determined from the air pollution information that there is air pollution on the go. A control system for air purification equipment that is characterized by this. The operation mode determining unit reduces the air purification level regardless of the air pollution information when it is determined from the return period information that the return period from the outside is a certain period or more, according to claim 1 . Control system for air purification equipment. The air purifying equipment
The entire building air-conditioning equipment that supplies air- conditioning air generated by the air-conditioning device to each space in the building to perform air-conditioning.
A sterilizing gas supply device that is incorporated into the entire building air-conditioning equipment and injects sterilizing gas into the generated sterilizing air and contains it.
With
The whole building air-conditioning equipment supplies air-conditioned air containing the sterilizing gas to each of the spaces.
The air purification level determined by the operation mode determining unit is adjusted by adjusting the concentration of the sterilizing gas contained in the conditioned air by the sterilizing gas supply device, or by the sterilizing gas supply device to the conditioned air. The control system for air conditioning equipment according to claim 1 or 2 , wherein the disinfectant gas is injected or not.

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